Finding the Fourth Proportional to 195,539,563.20, 293,309,344.80 and 88,044,139.20
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Solution
The fourth proportional to 195,539,563.20, 293,309,344.80 and 88,044,139.20 is: 132,066,208.80
Step by Step Solution
- Step 1: Write the proportion equation
195,539,563.20 : 293,309,344.80 = 88,044,139.20 : x - Step 2: Convert to fraction form
195,539,563.20/293,309,344.80 = 88,044,139.20/x - Step 3: Cross multiply
195,539,563.20x = 293,309,344.80 × 88,044,139.20 - Step 4: Simplify right side
195,539,563.20x = 25,824,168,782,232,000 - Step 5: Solve for x
x = 25,824,168,782,232,000/195,539,563.20 - Step 6: Final answer
x = 132,066,208.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.